Historique de la conservation :
Material received from Gabrielle Pelletier, Rivière-du-loup, Québec, March 1985.
Données mathématiques sur les documents :
Scales dffer
Note structurée de contenu :
1. Drawing 1. Pinion 6 leaves and wheel 60 teeth. 1893-09-22
2. Drawing 2. Pinion & leaves and wheel 63 teeth. 1893-09-22
3. Drawing 3. Wheel 64 teets & pinion 8 leaves. 1893-10-04
4. Drawing 4. Pinion 10 leaves & wheel 80 teeth. 1893-10-09
5. Drawing 5. Wheel 80 teeth & Pinion 12 leaves. 1893-10-18
6. Drawing 6. Minute pinion 12 leaves. Hour wheel 48 teeth. Minute wheel 36 teeth. Canon pinion 12 leaves. 1893-10-25
7. Drawing 7. Fork and roller action. 1893-10-30
8. Drawing 8. Fork and roller action. 1893-11-10
9. Drawing 9. Fork and roller action. 1893-11-17
10. Drawing 10. Fork and roller action. 1893-11-24
11. Drawing 11. Fork and roller action. 1893-12-06
12. Drawing 12. Savage pin escapment. 1893-12-11
13. Drawing 13. Savage pin escapment. 1893-12-14
14. Drawing 14. Double roller action. 1894-01-12
15. Drawing 15. English lever escapement. 1894-01-22
16. Drawing 16. English lever escapement. 1894-01-29
17. Drawing 17. Club tooth escapment. 1894-02-05
18. Drawing 18. Equidistant escapment. 1894-02-12
19. Drawing 19. Equidistant escapment. 1894-02-19
20. Drawing 20. Equidistant escapment. 1894-02-26
21. Drawing 21. Club tooth escapment. 1894-03-02
22. Drawing 22. Double roller and equidistant escapment. 1894-03-16
23. Drawing 23. Circular escapment. 1894-03-21
24. Drawing 24. Spring detent chronometer. 1894-05-02
25. Drawing 25. Pivoted detent chronometer. 1894-05-09
26. Drawing 26. [Detent chronometer] 1894-05-16
Items 27-31 by the Canadian Horological Institute, Toronto
27. Drawing 1 Action of pallet and tooth for each degree of motion for circular escapment. 1894-03-30
28. Drawing 2 Action of pallet and tooth for each degree of motion for equidistant escapment. 1894-04-02
29. The Cylinder. 1894-04-20
30. Duplex escapment. 1894-05-19
31. Hubting case. 16 size. Item wind. 1894-06-13
Note sur les autres formats physiques disponibles :
Item 21 copied electronically see ecopy e010767408-v8 below
Item 25 copied electronically see ecopy e010767409-v8 below
Item 22 copied electronically see ecopy e010767410-v8 below
Item 31 copied electronically see ecopy e010767411-v8 below